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80 Maintenance
Maintenance intervals
The table below shows the maintenance tasks which can be done by the end user. For
more information, contact your local ABB Service representative
(www.abb.com/searchchannels).
Maintenance task/object
Replacement
Cooling fans
Cooling fan power supply
Water-glycol coolant with inhibitor
(see Note 1 below)
ABB-SACE main circuit breaker
maintenance (see Note 2 below)
Inspection and/or performance
Adding coolant corrosion inhibitor (if
coolant with separate inhibitor is used)
(see Note 1 below)
Cabinet door air filter (customer variant),
change interval depends on cleanliness
of ambient air
Checking cooling liquid pipe connections
Checking the connections of fiber optic
cables
Checking tightness of cable and busbar
terminals. Tightening if needed.
Checking the quick connector of the
converter module
Checking the condition of contactors
Checking the condition of the main
contactors (maintenance according to
the manufacturer's instructions)
Checking ambient conditions (dustiness,
corrosion, temperature)
Checking the quality of auxiliary voltage
Improvements
Firmware and hardware upgrade based
on product notes
Measurements and tests
Functional test with net voltage
Basic measurements with supply voltage
Spare parts
Spare part stock
Years from start-up
0
1
2
3
4
I
I
P
P
P
P
I
P
I
P
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I
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I
I
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I
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I
I
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I
I
I
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I
I
I
P
P
P
P
P
P
P
P
I
P
I
P
5
6
7
8
9
10
R
R
I
P
P
P
P
P
I
P
I
P
I
I /
I /
I /
I /
I /
R
R
R
R
R
I
I
I
I
I
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P
I
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I
I
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I
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I
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I
I
I
I
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P
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P
P
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P
I
P
I
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3AXD10000258568
11 12
...
R
R
I
R
P/
P
P
R
P
I
P
I /
I /
I /
R
R
R
I
I
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P
I
I
I
I
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I
I
I
I
I
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I
I
I
I
I
P
P
P
P
P
P
P
I
P
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